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The angle of minimum deviation for a 75^...

The angle of minimum deviation for a `75^(@)` prism of dense glass is found to be `45^(@)` when in air and `15^(@)` when immersed in certain liquid. The refractive index of the liquid is

A

`sqrt((2)/(3))`

B

`(3)/(2)`

C

`sqrt((3)/(2))`

D

`sqrt(3)`

Text Solution

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The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-RAY OPTICS AND OPTICAL INSTRUMENTS-Assignment (Section - A) Objective Type Questions (One option is correct)
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  3. A convex glass lens (mu(g) = 1.5) has a focal length of 8 cm when plac...

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  4. A light ray is incident normally on one of the refracting faces of a p...

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  5. If a light ray incidents normally on one of the faces of the prism of ...

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  7. A prism of refractive index sqrt2 has refractive angle 60^@. In the or...

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  9. A light ray of angles of incidence 40^(@) emerged from the prism in mi...

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  10. The angle of minimum deviation for a 75^(@) prism of dense glass is fo...

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  11. Suppose a small angled prism of 6^(@) deviates a ray through 3^(@), th...

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  12. A crown glass prism of angle 5^@ is to be combined with a flint glass ...

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  13. A thin prism of angle 6^(@) made up of glass of refractive index 1.5 i...

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  14. Compare the dispersive powers of two prisms if one of them deviates th...

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  15. A convex mirror forms an image one-fourth the size of the object. If o...

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  16. A body weights 500N on the surface of the earth. How much would it wei...

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  18. A travelling microscope is focussed on to a scratch on the bottom of a...

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